Very good. Not believing in Santa is certainly stage one.

And stage two is realizing that Santa has many disguises and pseudonyms, and can sneak in through many back doors.

While stage three. But not now, since you are still struggling with stage two, stage three is a long way off yet. So three and four will have to wait.

You are exactly the type of person that makes me look for the corners of the rubber masks.... Something I got in the habit of doing since I was a child because you make it seem as if I was kidnapped by an exceptionally retarded alien species for study every time you say things like this....

The religionists keep touting, one cannot prove a negative. This is one small example that shows one can easily prove a negative especially when it involves crazy and impossible scenarios.

What do you mean that, me, Santa, I don't exist???